Home / 51,704.79-77,557.47-18,426.12

Finding the Fourth Proportional to 51,704.79, 77,557.47 and 18,426.12

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Solution

The fourth proportional to 51,704.79, 77,557.47 and 18,426.12 is: 27,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.79 : 77,557.47 = 18,426.12 : x
  2. Step 2: Convert to fraction form
    51,704.79/77,557.47 = 18,426.12/x
  3. Step 3: Cross multiply
    51,704.79x = 77,557.47 × 18,426.12
  4. Step 4: Simplify right side
    51,704.79x = 1,429,083,249.12
  5. Step 5: Solve for x
    x = 1,429,083,249.12/51,704.79
  6. Step 6: Final answer
    x = 27,639.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.